MULTILAYER LAMINATED STRUCTURE MATERIAL
PURPOSE:To detect the presence of the defect of an adhesive material layer under a nondenstructive state while obtaining high barrier properties by laminating a chief material layer mainly comprising a polyethylene resin and the saponified substance of an ethylene-vinyl acetate copolymer through a s...
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| creator | AOYANAGI TERU MATSUOKA MASAMI |
| description | PURPOSE:To detect the presence of the defect of an adhesive material layer under a nondenstructive state while obtaining high barrier properties by laminating a chief material layer mainly comprising a polyethylene resin and the saponified substance of an ethylene-vinyl acetate copolymer through a specific adhesive material layer. CONSTITUTION:A resin composition containing (A) a 60-95wt.% polyethylene resin comprising a not less than 0.1wt.% modified polyethylene resin grafted by at least an unsaturated carboxylic acid and/or a derivative thereof and (B) a 40-50wt.% unmodified linear ultra-low density polyethylene resin is used as an adhesive material layer employed for a multilayer laminated structure material. The resin composition is prepared so that density reached 0.925g/cm or more and the total content of grafted monomers reaches 0.001-5.0wt.%. The difference of the acoustic impedance of a chief material layer and the adhesive material, etc., measured by using ultrasonic waves of 20-25MHz is set so as to reach 8.5X10g/cm .mum se or more. |
| format | Patent |
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CONSTITUTION:A resin composition containing (A) a 60-95wt.% polyethylene resin comprising a not less than 0.1wt.% modified polyethylene resin grafted by at least an unsaturated carboxylic acid and/or a derivative thereof and (B) a 40-50wt.% unmodified linear ultra-low density polyethylene resin is used as an adhesive material layer employed for a multilayer laminated structure material. The resin composition is prepared so that density reached 0.925g/cm or more and the total content of grafted monomers reaches 0.001-5.0wt.%. The difference of the acoustic impedance of a chief material layer and the adhesive material, etc., measured by using ultrasonic waves of 20-25MHz is set so as to reach 8.5X10<-3>g/cm .mum se or more.</description><language>eng</language><subject>LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; MEASURING ; MEASURING ANGLES ; MEASURING AREAS ; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS ; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS ; PERFORMING OPERATIONS ; PHYSICS ; TESTING ; TRANSPORTING</subject><creationdate>1993</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930219&DB=EPODOC&CC=JP&NR=H0538790A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19930219&DB=EPODOC&CC=JP&NR=H0538790A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AOYANAGI TERU</creatorcontrib><creatorcontrib>MATSUOKA MASAMI</creatorcontrib><title>MULTILAYER LAMINATED STRUCTURE MATERIAL</title><description>PURPOSE:To detect the presence of the defect of an adhesive material layer under a nondenstructive state while obtaining high barrier properties by laminating a chief material layer mainly comprising a polyethylene resin and the saponified substance of an ethylene-vinyl acetate copolymer through a specific adhesive material layer. 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CONSTITUTION:A resin composition containing (A) a 60-95wt.% polyethylene resin comprising a not less than 0.1wt.% modified polyethylene resin grafted by at least an unsaturated carboxylic acid and/or a derivative thereof and (B) a 40-50wt.% unmodified linear ultra-low density polyethylene resin is used as an adhesive material layer employed for a multilayer laminated structure material. The resin composition is prepared so that density reached 0.925g/cm or more and the total content of grafted monomers reaches 0.001-5.0wt.%. The difference of the acoustic impedance of a chief material layer and the adhesive material, etc., measured by using ultrasonic waves of 20-25MHz is set so as to reach 8.5X10<-3>g/cm .mum se or more.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PERFORMING OPERATIONS PHYSICS TESTING TRANSPORTING |
| title | MULTILAYER LAMINATED STRUCTURE MATERIAL |
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